Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
As May arrives, a rise in the average high-temperature is observed, moving from a fresh 53.6°F (12°C) in April to an enjoyable 67.1°F (19.5°C). Romulus's nighttime temperature in May drops to an average of 47.3°F (8.5°C).Humidity
In Romulus, the average relative humidity in May is 78%.Rainfall
In May, the rain falls for 17.6 days. Throughout May, 2.24" (57mm) of precipitation is accumulated. In Romulus, during the entire year, the rain falls for 163.9 days and collects up to 21.34" (542mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.3 snowfall days, in May, Romulus aggregates 0.08" (2mm) of snow. In Romulus, during the entire year, snow falls for 72.2 days and aggregates up to 18.23" (463mm) of snow.Daylight
In May, the average length of the day is 14h and 39min.On the first day of the month, sunrise is at 6:00 am and sunset at 8:08 pm. On the last day of May, in Romulus, sunrise is at 5:31 am and sunset at 8:38 pm EDT.
Sunshine
The average sunshine in May is 9h.UV index
The average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index of 5 during May leads to these instructions:
Put precautions into practice - Guidance to elude sunburn is provided. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature in Romulus?
What is the average humidity in May in Romulus?
How much does it rain in Romulus in May?
What is the last month it snows in Romulus?
What is the average length of the day in May in Romulus?
When is the sunrise / sunset in May in Romulus?
How many hours of sunshine does Romulus have in May?
What is the UV index intensity in May in Romulus?
Average temperature in May
Romulus, NY
- Average high temperature in May: 67.1°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in May: 47.3°F
The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure in May
Romulus, NY
- Average pressure in May: 29.99"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
Romulus, NY
- Average wind speed in May: 7.6mph
The windiest month (with the highest average wind speed) is January (10mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).
Average humidity in May
Romulus, NY
- Average humidity in May: 78%
The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is April (77%).
Average rainfall in May
Romulus, NY
- Average rainfall in May: 2.24"
The wettest month (with the highest rainfall) is July (2.44").
The driest month (with the least rainfall) is January (1.06").
Average rainfall days in May
Romulus, NY
- Average rainfall days in May: 17.6 days
The month with the highest number of rainy days is July (18.3 days).
The months with the least rainy days are January and February (7.8 days).
Average snowfall in May
Romulus, NY
- Average snowfall in May: 0.08"
The month with the highest snowfall is February (4.41").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Romulus, NY
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (18.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Romulus, NY
- Average daylight in May: 14h and 4min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in May: 9h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 2h and 54min).
Average sunshine days in May
Romulus, NY
- Average sunshine days in May: 11.2 days
The month with the most sunshine days is September (13.4 days).
The month with the least sunshine days is February (6.7 days).
Average UV index in May
Romulus, NY
- Average UV index in May: 5
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in May
Romulus, NY
- Average cloud cover in May: 42
The months with the most cloud cover are January and February (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in May
Romulus, NY
- Average visibility in May: 6mi
The months with the highest visibility are April, May, June, July, August, October and November (6mi).
The months with the lowest visibility are January, February, March, September and December (5mi).
Romulus, New York, USA
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